CN103530780A - Intelligent compressor controller based on RFID (Radio Frequency Identification) technology and anti-counterfeiting verifying method for compressor spare part - Google Patents
Intelligent compressor controller based on RFID (Radio Frequency Identification) technology and anti-counterfeiting verifying method for compressor spare part Download PDFInfo
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- CN103530780A CN103530780A CN201310485314.0A CN201310485314A CN103530780A CN 103530780 A CN103530780 A CN 103530780A CN 201310485314 A CN201310485314 A CN 201310485314A CN 103530780 A CN103530780 A CN 103530780A
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Abstract
The invention discloses an intelligent compressor controller based on an RFID (Radio Frequency Identification) technology and an anti-counterfeiting verifying method for a compressor spare part and belongs to the technical field of the electronic information anti-counterfeiting application. An RFID reading-writing module is implanted in a compressor controller body, anti-counterfeiting information on the RFID label of the spare part is read by the RFID reading-writing module, the anti-counterfeiting information is decrypted by a controller MCU (Micro-programmed Control Unit), and then, the authenticity judgment information of the spare part is displayed on the build-in display screen of the intelligent compressor controller. Meanwhile, a human-machine input interface which is used for inputting the activation codes of the spare part is also arranged in the intelligent compressor controller, and the expiry information of the spare part can be judged through the input of the activation codes. A compressor automatic control function, an RFID automatic recognition function and a digital encryption function are effectively combined, the tracking requirement of a compressor control system on the spare part is met, the authenticity of the compressor spare part can be locally recognized without the cooperation of an Internet or a service center, and a function of refusing to use a fake spare part is realized.
Description
Technical field
The invention belongs to electronic information Application in Anti-counterfeiting technical field, be specifically related to a kind of compressor intelligent controller and compressor spare part anti-counterfeit authentication method based on RFID technology.
Background technology
Social now, counterfeit goods has become global problem, particularly for the product spare part of the mechanical fields such as compressor, has become one of fake and forged emphasis of manufacturing of lawless person, brought great threat ，Ye Gei enterprise to cause huge loss to the security of operation of machine.By adopting physics false proof, traditional anti-counterfeiting technology such as antiforge is easily replicated, distorts, and antifalse effect is poor.
Along with scientific and technological development, many antifalse technology have obtained in the industry widely and have used.Mobile phone short message inquiry is false proof, the anti-counterfeiting technologies based on informationization technology such as the scanning of bar code, Quick Response Code is false proof can realize the one-to-one relationship of product, but exist in actual use identifying inconvenience, need specific handheld device or carry out the examination of information by accesses network and service centre, and it is larger to build cost, the large-scale application of these means is subject to certain restrictions.
RFID anti-counterfeiting technology is as the new technology of in recent years rising in false proof, logistics and management domain, it is embedded into microchip in the middle of product, utilize intelligent electronic label to identify various article, this label is produced according to RFID radio frequency identification principle, and label and read write line are by radio frequency signal exchange message.Compare with conventional barcode technology, RFID can realize in the situation that need not directly contacting spare part quick, complete efficiently reading spare part information, can accomplish machinery-free wearing and tearing, anti-fouling, memory data output is large, content can be repeatedly erasable, and each label has a unique id number, cannot revise and copy.But also there is the defect of self in RFID label, such as, need dedicated identification device ability reading tag information, run into metal meeting conductively-closed or reflection, be difficult for printing etc.So, generally should not directly be attached to commodity surface, particularly metal surface, and be attached in commodity external packing than being easier to.Meanwhile, conventionally need to be connected to network and just can carry out inquiry and the identification of security code, cause the verification efficiency of spare part low.
Summary of the invention
The defect existing in order to overcome above-mentioned prior art, the object of the present invention is to provide a kind of compressor intelligent controller and compressor spare part anti-counterfeit authentication method based on RFID technology, can the in the situation that of interconnection network not, verify in time, efficiently the true and false of spare part, and realize by compressor controller the object that refusal is used personation spare part.
The present invention is achieved through the following technical solutions:
A kind of compressor intelligent controller based on RFID technology, comprise the RFID module for reading and writing and the controller MCU that are arranged in compressor intelligent controller, RFID module for reading and writing and controller MCU interact by digital interface, RFID module for reading and writing matches with the RFID label of spare part, RFID module for reading and writing is for reading the anti-counterfeiting information on RFID label, and controller MCU is for being decrypted anti-counterfeiting information; In described compressor intelligent controller, be also provided with for inputting the man-machine input interface of active coding and for showing the display screen of spare part true and false information to be measured, and display screen is all connected with controller MCU with man-machine input interface.
Described active coding is in the mode of plaintext or dark text, to be sprayed on the surface of spare part, and spare part is coated with spare part external packing, and RFID label sticking is in spare part external packing.
Described digital interface adopts SPI interface, I2C interface or serial ports.
Described man-machine input interface adopts controller keyboard or tangible tablet.
Described display screen is LCD display or LED display.
A method for compressor spare part fake certification, comprises the following steps:
1) read RFID label information
When compressor need to be changed spare part, by the RFID module for reading and writing of compressor intelligent controller, read the information of the RFID label being positioned in spare part external packing, and sending information to controller MCU, the information in described RFID label comprises spare part ciphertext and RFID label unique number;
To the spare part ciphertext of obtaining, the key in conjunction with agreement is decrypted controller MCU, and the result after deciphering is presented on display screen; RFID label unique number is encrypted to computing, obtains active coding to be matched;
2) the judgement RFID label information true and false
Whether whether the information after compressor intelligent controller judgement deciphering is correct, if correct, according to the spare part information showing, check and conform to the spare part that will change, do not meet and just produce the replacing of reporting to the police and refusing spare part, meets and enter next step;
3) activation of active coding
The active coding that is sprayed at spare part surface is input to compressor controller by man-machine input interface, compare with the active coding to be matched generating in step 1), if coupling, compressor intelligent controller automatic activation spare part is also eliminated the warning that expires, meanwhile, the authorization information in RFID label is set to mess code to prevent secondary activating; If do not mated, compressor intelligent controller is refused the replacing requirement of spare part, and spare part expires to warn and do not eliminate.
Spare part ciphertext described in step 1) is before spare part dispatches from the factory, and the essential information of spare part and authorization information are obtained after encrypting.
Step 2) described compressor intelligent controller judge the essential information of spare part and authorization information whether correct, if spare part essential information and authorization information are all correct, on display screen, demonstrate the essential information of spare part, and point out spare part information correct; If spare part essential information is incorrect, show that this spare part information is wrong; If spare part essential information is correct, authorization information mistake shows that spare part has been activated, and sends and reuses warning.
Described spare part essential information comprises production firm, title, date of manufacture and sequence number information.
Described cryptographic calculation adopts HASH, MD5, DES or vigenere cipher.
Compared with prior art, the present invention has following useful technique effect:
The compressor intelligent controller based on RFID anti-counterfeiting technology that the present invention proposes, RFID module for reading and writing is implanted to compressor controller fuselage interior, utilize RFID module for reading and writing to read the anti-counterfeiting information on spare part RFID label, by controller, MCU is decrypted anti-counterfeiting information, then the spare part true and false information of sentencing is presented on the display screen that compressor intelligent controller carries, simultaneously, in compressor intelligent controller, be also provided with for inputting the man-machine input interface of spare part active coding, can be by the information that expires of input active coding judgement spare part.
The method of compressor spare part fake certification of the present invention, first read RFID label information and be decrypted, obtain cipher-text information and the active coding information of deciphering, then whether the information after judgement deciphering is correct, the active coding information that the active coding again spare part being carried obtains with above-mentioned deciphering is mated, and activates accessory.The present invention effectively combines compressor automatic control function, RFID automatic identification function and digital encryption function, realized the track demand of compressor control system to spare part, and do not need networking or the cooperation of service centre, so just can realize this locality identification of the compressor spare part true and false, and refusal is used the function of personation spare part.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is encrypted work process flow diagram of the present invention;
Fig. 3 is decryption work process flow diagram of the present invention;
Fig. 4 is activation workflow diagram of the present invention.
Wherein, 1 is compressor intelligent controller; 2 is controller MCU; 3 is display screen; 4 is man-machine input interface; 5 is RFID module for reading and writing; 6 is spare part external packing; 7 is RFID label; 8 is spare part; 9 is active coding.
Embodiment
Below in conjunction with concrete drawings and Examples, the present invention is described in further detail, and the explanation of the invention is not limited.
Referring to Fig. 1, the present invention includes the RFID module for reading and writing 5 and the controller MCU2 that are arranged in compressor intelligent controller 1, RFID module for reading and writing 5 and controller MCU2 interact by digital interface, and this digital interface adopts SPI interface; Outside at the spare part 8 of compressor is coated with spare part external packing 6, in spare part external packing 6, be also pasted with RFID label 7, described RFID module for reading and writing 5 matches with RFID label 7, RFID module for reading and writing 5 is for reading the anti-counterfeiting information on RFID label 7, and controller MCU2 is for being decrypted anti-counterfeiting information; In described compressor intelligent controller 1, be also provided with for inputting the man-machine input interface 4 of active coding 9 and for showing the display screen 3 of spare part true and false information to be measured, and display screen 3 is all connected with controller MCU2 by internal data bus with man-machine input interface 4.Wherein, described active coding 9 is in the mode of plaintext or dark text, to be sprayed on the surface of spare part 8, and dark text is on active coding, to cover one deck knifing, is expressly that active coding is exposed.Man-machine input interface 4 adopts controller keyboard or tangible tablet, and display screen 3 is LCD display or LED display.
The present invention's principle of work is in use as follows:
Referring to Fig. 2, encrypted work flow process for compressor controller of the present invention, the spare part of certified products is before dispatching from the factory, the essential information of spare part and authorization information generate spare part ciphertext after encrypting, spare part ciphertext and RFID label unique number are stored in RFID label 7, and RFID label 7 is secured at spare part external packing 6 surfaces; RFID label unique number is obtained to active coding 9 after encrypting, be sprayed on spare part 8 surfaces.Described cryptographic algorithm adopts HASH, MD5, DES or vigenere cipher.
The decryption work flow process that is compressor controller of the present invention referring to Fig. 3, when the spare part using expires need to change time, spare part 8 is taken out from spare part external packing 6, when spare part external packing 6 is during near intelligent controller 1, RFID module for reading and writing 5 reads the information in the RFID label 7 in spare part external packing 6 and is sent to controller MCU2, and controller MCU2 is decrypted the information after rear acquisition deciphering and it is carried out to intellectual analysis in conjunction with the secret key of arranging transmitting the information of coming; To reading RFID label unique number, be encrypted computing, obtain active coding to be matched.If spare part essential information and authorization information are correct in the information after deciphering, on display screen 3, demonstrate the essential information of spare part 8, and point out spare part information correct; If spare part essential information is incorrect, show that this spare part information is wrong; If spare part information is correct, authorization information mistake shows that spare part has been activated, and sends and reuses warning.Wherein, spare part essential information comprises production firm, title, date of manufacture and sequence number information.
Referring to Fig. 4, for spare part activation process of the present invention, when user need to use spare part 8, user can be by man-machine input interface 4 input active codings 9, if the active coding to be matched that active coding 9 and the controller MUC2 of input obtain by computing matches, this spare part of intelligent controller 1 automatic activation, eliminates the spare part warning that expires, and the authorization information in RFID label 7 is set to mess code; If active coding does not mate, intelligent controller 1 this spare part of refusal is used, and spare part expires to warn and do not eliminate.
Below, in conjunction with concrete example, the present invention will be described:
Step 1: the generation of spare part ciphertext and active coding 9
Spare part ciphertext is encrypted and is obtained by cryptographic algorithm f and key k by essential information and the authorization information of spare part.For example: using vigenere cipher as cryptographic algorithm f, word me is as key k, and kingland is as authorization information, and good is that algorithm is given an example: kingland as spare part essential information, good obtains respectively wmekxeeh, srah through take after vigenere cipher that me is key is encrypted.
Active coding 9 is by cryptographic algorithm f, RFID label unique number to encrypt, but this encryption key is different from the key of spare part ciphertext, take this encryption key as you be example, RFID tag number one is mby after encryption.
The making of step 2:RFID label and active coding
Information after the first step is encrypted, wmekxeeh, srah is stored in respectively the zones of different of RFID label 7, and RFID label 7 is sticked in spare part external packing 6, active coding 9mby is sprayed on to the surface of spare part 8.
Step 3: the deciphering of spare part ciphertext
By spare part external packing 6 near RFID module for reading and writing 5, RFID module for reading and writing 5 reads the spare part ciphertext wmekxeeh in RFID mark 7, srah and RFID tag number one, and send controller MCU2 to, controller MCU2 obtains information: kingland, good after utilizing the inverse operation f' of cryptographic algorithm f of self storage and key me deciphering; Controller MCU2 profit is encrypted RFID tag number one by cryptographic algorithm f and secret key you, generates active coding mby to be verified.
Step 4: truth identification process
Controller MCU2 analyzes the information after deciphering, and spare part essential information is shown on display screen 3.If spare part essential information good is consistent with the spare part information that expires on compressor controller, so judgement authorization information kingland, if coupling, prompting input active coding; If do not mated, point out this spare part to be activated.
Step 5: activate spare part process
When user need to use this spare part, user is by the content in man-machine input interface 4 input active codings 9, if mby, on intelligent controller 1, activate this spare part, eliminate the spare part warning that expires, and the authorization information in RFID label 7 is set to mess code, to prevent secondary activating; If difference, refuses to activate this spare part, spare part expires to report to the police and does not eliminate.
In sum, a kind of compressor intelligent controller and compressor spare part anti-counterfeit authentication method based on RFID technology provided by the invention, after being encrypted, the information of spare part is stored in RFID label, and be pasted on spare part surface of package, the active coding being generated by RFID label unique number is sprayed on to spare part surface; By RFID module for reading and writing Embedded compression machine controller, form an integral body, spare part ciphertext information is passed to controller MCU in RFID module for reading and writing reads RFID label, controller MCU utilizes the inverse operation of the cryptographic algorithm of appointing to be decrypted information, and the information after deciphering is carried out to intellectual analysis, if comprise false proof service provider authorization information in the information after deciphering, regard as certified products and be shown to user; If the information after deciphering does not comprise false proof service provider authorization information, warning message is shown to user, when user need to use this spare part, user can input active coding on compressor controller, in order to activate the usage license of this spare part on compressor controller, and the false proof service provider authorization information on RFID label is set to mess code, to prevent secondary activating.Thereby the present invention can the in the situation that of interconnection network not at any time, verify the true and false of spare part, and realize by compressor controller the object that refusal is used personation spare part efficiently.
Claims (10)
1. the compressor intelligent controller based on RFID technology, it is characterized in that, comprise the RFID module for reading and writing (5) and the controller MCU(2 that are arranged in compressor intelligent controller (1)), RFID module for reading and writing (5) and controller MCU(2) by digital interface, interact, RFID module for reading and writing (5) matches with the RFID label (7) of spare part (8), RFID module for reading and writing (5) is for reading the anti-counterfeiting information on RFID label (7), controller MCU(2) for anti-counterfeiting information is decrypted; In described compressor intelligent controller (1), be also provided with for inputting the man-machine input interface (4) of active coding (9) and for showing the display screen (3) of spare part true and false information to be measured, and display screen (3) and man-machine input interface (4) all with controller MCU(2) be connected.
2. a kind of compressor intelligent controller based on RFID technology according to claim 1, it is characterized in that, described active coding (9) is in the mode of plaintext or dark text, to be sprayed on the surface of spare part (8), spare part (8) is coated with spare part external packing (6), and RFID label (7) sticks in spare part external packing (6).
3. a kind of compressor intelligent controller based on RFID technology according to claim 1, is characterized in that, described digital interface adopts SPI interface, I2C interface or serial ports.
4. a kind of compressor intelligent controller based on RFID technology according to claim 1, is characterized in that, described man-machine input interface (4) adopts controller keyboard or tangible tablet.
5. a kind of compressor intelligent controller based on RFID technology according to claim 1, is characterized in that, described display screen (3) is LCD display or LED display.
6. adopt right to want the compressor intelligent controller described in any one in 1～5 to carry out a method for compressor spare part fake certification, it is characterized in that, comprise the following steps:
1) read RFID label information
When compressor need to be changed spare part, by the RFID module for reading and writing of compressor intelligent controller, read the information of the RFID label being positioned in spare part external packing, and sending information to controller MCU, the information in described RFID label comprises spare part ciphertext and RFID label unique number;
To the spare part ciphertext of obtaining, the key in conjunction with agreement is decrypted controller MCU, and the result after deciphering is presented on display screen; RFID label unique number is encrypted to computing, obtains active coding to be matched;
2) the judgement RFID label information true and false
Whether whether the information after compressor intelligent controller judgement deciphering is correct, if correct, according to the spare part information showing, check and conform to the spare part that will change, do not meet and just produce the replacing of reporting to the police and refusing spare part, meets and enter next step;
3) activation of active coding
The active coding that is sprayed at spare part surface is input to compressor controller by man-machine input interface, compare with the active coding to be matched generating in step 1), if coupling, compressor intelligent controller automatic activation spare part is also eliminated the warning that expires, meanwhile, the authorization information in RFID label is set to mess code to prevent secondary activating; If do not mated, compressor intelligent controller is refused the replacing requirement of spare part, and spare part expires to warn and do not eliminate.
7. the method for a kind of compressor spare part fake certification according to claim 6, is characterized in that, the spare part ciphertext described in step 1) is before spare part dispatches from the factory, and the essential information of spare part and authorization information are obtained after encrypting.
8. the method for a kind of compressor spare part fake certification according to claim 7, it is characterized in that, step 2) described compressor intelligent controller judge the essential information of spare part and authorization information whether correct, if spare part essential information and authorization information are all correct, on display screen, demonstrate the essential information of spare part, and point out spare part information correct; If spare part essential information is incorrect, show that this spare part information is wrong; If spare part essential information is correct, authorization information mistake shows that spare part has been activated, and sends and reuses warning.
9. according to the method for a kind of compressor spare part fake certification described in claim 7 or 8, it is characterized in that, described spare part essential information comprises production firm, title, date of manufacture and sequence number information.
10. the method for a kind of compressor spare part fake certification according to claim 6, is characterized in that, described cryptographic calculation adopts HASH, MD5, DES or vigenere cipher.
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